content: /*
   * Copyright 2011-2016 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package ix;
  
  import java.io.IOException;
  
  import org.junit.Test;
  
  public class GenerateStatelessTest {
  
      @Test
      public void normal() {
          Ix<Integer> source = Ix.generate(new IxConsumer<IxEmitter<Integer>>() {
              int count;
              @Override
              public void accept(IxEmitter<Integer> t) {
                  t.onNext(++count);
                  if (count == 10) {
                      t.onComplete();
                  }
              }
          });
  
          IxTestHelper.assertValues(source, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
      }
  
      @Test
      public void empty() {
          Ix<Integer> source = Ix.generate(new IxConsumer<IxEmitter<Integer>>() {
              @Override
              public void accept(IxEmitter<Integer> t) {
                  t.onComplete();
              }
          });
  
          IxTestHelper.assertValues(source);
      }
  
      @Test(expected = IllegalStateException.class)
      public void never() {
          Ix<Integer> source = Ix.generate(new IxConsumer<IxEmitter<Integer>>() {
              @Override
              public void accept(IxEmitter<Integer> t) {
              }
          });
  
          IxTestHelper.assertValues(source);
      }
  
      @Test(expected = IllegalArgumentException.class)
      public void runtimeError() {
          Ix<Integer> source = Ix.generate(new IxConsumer<IxEmitter<Integer>>() {
              @Override
              public void accept(IxEmitter<Integer> t) {
                  throw new IllegalArgumentException();
              }
          });
  
          IxTestHelper.assertValues(source);
      }
  
      @Test(expected = InternalError.class)
      public void error() {
          Ix<Integer> source = Ix.generate(new IxConsumer<IxEmitter<Integer>>() {
              @Override
              public void accept(IxEmitter<Integer> t) {
                  throw new InternalError();
              }
          });
  
          IxTestHelper.assertValues(source);
      }
  
      @Test(expected = RuntimeException.class)
      public void exceptionError() {
          Ix<Integer> source = Ix.generate(new IxConsumer<IxEmitter<Integer>>() {
              @Override
              public void accept(IxEmitter<Integer> t) {
                  throw new RuntimeException(new IOException());
              }
          });
  
          IxTestHelper.assertValues(source);
      }
  
  }
  